package com.atguigu.rabbitmq.springbootrabbitmq.controller;

import com.atguigu.rabbitmq.springbootrabbitmq.config.DelayedQueueConfig;
import lombok.extern.slf4j.Slf4j;
import org.springframework.amqp.rabbit.core.RabbitTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.Date;

/***
 * @description: 发送延迟消息
 * @author like
 * @date: 2021/7/19 20:09
 */
@Slf4j
@RestController
@RequestMapping("/ttl")
public class SendMsgController {

    @Autowired
    private RabbitTemplate rabbitTemplate;

    //开始发消息
    @GetMapping("/sendMsg/{message}")
    public void sendMsg(@PathVariable String message) {
        log.info("当前时间：{}，发送一条信息给两个TTL队列：{}", new Date().toString(), message);

        rabbitTemplate.convertAndSend("X", "XA", "消息来自TTL为10s的队列：" + message);
        rabbitTemplate.convertAndSend("X", "XB", "消息来自TTL为40s的队列：" + message);
    }

    //开始发消息 消息 TTL
    @GetMapping("/sendExpirationMsg/{message}/{ttlTime}")
    public void sendMsg(@PathVariable String message, @PathVariable String ttlTime) {
        log.info("当前时间：{}，发送一条时长{}毫秒TTL信息给队列QC：{}", new Date().toString(), ttlTime, message);

        rabbitTemplate.convertAndSend("X", "XC", message, msg -> {
            //设置发送消息的 延迟时长
            msg.getMessageProperties().setExpiration(ttlTime);
            return msg;
        });
    }

    //开始发消息 消息 TTL
    @GetMapping("/sendDelayMsg/{message}/{delayTime}")
    public void sendMsg(@PathVariable String message, @PathVariable Integer delayTime) {

        log.info(" 当前时间： {}, 发送一条时长{}毫秒的信息给延迟队列delayed.queue:{}", new Date(), delayTime, message);

        rabbitTemplate.convertAndSend(
                DelayedQueueConfig.DELAYED_EXCHANGE_NAME,
                DelayedQueueConfig.DELAYED_ROUTING_KEY, message,
                correlationData -> {
                    //发送消息的时候 延迟时长
                    correlationData.getMessageProperties().setDelay(delayTime);
                    return correlationData;
                });
    }





}
